Poweramp EH SERIES HYDRAULIC User Manual download pdf (Page 21)

4111-0004 —November 2003

Rev “B” February 2011

INSTALLATION

5. Raise the leveler platform fully by pushing and

holding the RAISE button .

NOTE: The platform of a properly operating dock

leveler will automatically stop rising when it

reaches its maximum full raised height, at

which point, the lip extends. When the lip is

fully extended, the powerpack will go in to by-

pass. (If the lip does not extend or extend

fully, see Platform Rises to Full Height, But

Lip Does Not Fully Extend in the

Troubleshooting section.)

6. Release the RAISE button to lower the platform.

As long as there is no truck present at the dock,

the platform will lower to the full below-dock

position as the lip folds.

NOTE: If a truck is present, the platform will lower

until the lip rests on the truck/trailer bed. (See

Operating Instructions in Operation section.)

1. Disconnect the external lifting device and chains

from the lifting brackets.

2. Check that the leveler is flush with the dock floor

and that the platform lip contacts both lip keepers

evenly.

If an excessive transition exists between the dock

floor and leveler and/or lip does not contact both

lip keepers evenly, contact Poweramp Technical

Services for further instructions.

3. Install the dock bumpers as required.

4. Turn the main electrical power ON.

Put New Dock Leveler Into Service

7. When the platform lowers to the full below-dock

position, push and hold the RAISE button until the

platform rises just enough to clear the lip keepers,

then release the RAISE button to allow the

platform to lower to the cross-traffic (stored)

position (lip engages lip keepers).

NOTE: For dock leveler's equipped with the Auto

Return To Dock (ARTD), the platform will

automatically return to the cross-traffic

position if the ARTD is enabled. When the

platform is at the full below-dock position,

there is a six-second delay before the

platform will automatically rise to the cross-

traffic position.

8. Perform steps 5 – 7 at least four times to purge

any air that may be in the hydraulic system and to

ensure proper operation.

9. Raise the platform fully. Hold the platform at this

position using the RAISE button and move the

maintenance prop to the service (upright) position.

Release the RAISE button to allow the platform to

lower until it is resting on the maintenance prop.

10. Secure the maintenance prop with the

maintenance prop lock-out.

10. With the maintenance prop supporting the

platform, remove the lifting brackets and Clean

Sweep frame section in between lip keepers, if

you haven’t already done so.

10. Release the maintenance prop by unlocking the

lock-out.

12. Push and hold the RAISE button until the

maintenance prop drops to its stored position.

Release the RAISE button and allow the platform

to lower fully.

13. Perform step 7 if not equipped with ARTD.

Always stand clear of platform lip when working in

front of the dock leveler. Serious personal injury or

death may result.

Unless the dock leveler is equipped with a

tethered remote, two people are required

to engage the maintenance prop: one person to

operate the unit, the other person to engage the

maintenance prop.

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Poweramp EH SERIES HYDRAULIC User Manual Page 21

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